Reciprocating Compressor And Fluid Injection System
US-2025389265-A1 · Dec 25, 2025 · US
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Details, component parts specially adapted for such pumps
Details, component parts specially adapted for such pumps · Cooperative Patent Classification (CPC)
Engines, pumps, lighting, heating, and mechanical systems.
Related technology areas
Mapped technology topics for this CPC code.
| Metric | Value |
|---|---|
| CPC code | F04B27/0404 |
| Official title | {Details, component parts specially adapted for such pumps} |
| Display label | Details, component parts specially adapted for such pumps |
| Total patents | 22 |
Filing trend
Year-over-year patent counts classified under this CPC code.
Filing activity over the last five years is rapidly growing.
| Year | Patents |
|---|---|
| 2015 | 5 |
| 2016 | 2 |
| 2017 | 3 |
| 2018 | 2 |
| 2019 | 1 |
| 2020 | 1 |
| 2021 | 1 |
| 2023 | 1 |
| 2024 | 1 |
| 2025 | 5 |
Representative patents
Representative publications under this CPC code from precomputed stats, or recent filings when stats are unavailable.
Reciprocating compressor and fluid injection system
US-2025389263-A1 · Dec 25, 2025 · US
Reciprocating Compressor And Fluid Injection System
US-2025389264-A1 · Dec 25, 2025 · US
Economizer injection in a reciprocating compressor
US-2025347446-A1 · Nov 13, 2025 · US
Economizer injection in a reciprocating compressor
US-12398926-B2 · Aug 26, 2025 · US
Piston compressor, in particular radial piston compressor
US-2024229791-A1 · Jul 11, 2024 · US
Economizer injection in a reciprocating compressor
US-2023041180-A1 · Feb 9, 2023 · US
Compressor assembly for a compressed-air feed of a compressed-air supply system
US-11078895-B2 · Aug 3, 2021 · US
Compressor assembly for a compressed-air feed of a compressed-air supply system
US-2020386217-A1 · Dec 10, 2020 · US
Reciprocating compressor crankshaft adapter and method
US-10202969-B2 · Feb 12, 2019 · US
Radially configured oil-free compressor
US-10077800-B2 · Sep 18, 2018 · US
Connecting rod for an air compressor
US-10001160-B2 · Jun 19, 2018 · US
Sealing arrangement for semi-hermetic compressor
US-9835156-B2 · Dec 5, 2017 · US
Reciprocating compressor crankshaft adapter and method
US-2017167479-A1 · Jun 15, 2017 · US
Air maintenance pump assembly
US-2017072752-A1 · Mar 16, 2017 · US
Base unit for assembling a crankcase of a reciprocal compressor
US-2016348664-A1 · Dec 1, 2016 · US
Compressor and vacuum machine
US-9303635-B2 · Apr 5, 2016 · US
Mounting arrangement for an eccentric shaft in a refrigeration compressor
US-9188370-B2 · Nov 17, 2015 · US
Connecting rod for an air compressor
US-2015322997-A1 · Nov 12, 2015 · US
Radially configured oil-free compressor
US-2015322933-A1 · Nov 12, 2015 · US